footer{
    position: static !important;
    top: 70% !important;
}
body{
    color: teal !important;
}

nav{
    -webkit-box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
}


#content{
    color: black !important;
}

.m-padding-lr{
    padding-left: 30px !important;
    padding-right: 30px !important;
}

.m-tenDistance{
    padding-top: 10px !important;
    padding-bottom: 10px !important;
}

.m-topRight{
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
}


.m-abstract{
    font-size: 15px !important ;
}


.m-title{
    color: darkcyan !important;
    font-size: 20px !important ;
    font-weight: 1000 !important ;
    line-height: 2 !important ;
}

.m-fixed{
    position: fixed !important;
    top: 40% !important;
}



.m-mobile-show{
    display: none !important;
}


@media screen and (max-width: 768px){
    .m-mobile-hide{
        display: none !important;
    }
    .m-mobile-show{
        display: block !important;
    }
    .m-padding-lr{
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
}

.unselect {
    -webkit-user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    -ms-user-select: none;

    /* 以下两个属性目前并未支持，写在这里为了减少风险 */
    -o-user-select: none;
    user-select: none;
}